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Parker RDH081K10N - Direct Acting Relief Valves

Parker’s direct acting relief valves are available in several cavity sizes and are designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm).

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Brand Parker

Part No. RDH081K10N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-30 °F	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Knob	Wire Mesh Screen Included	n/a
Maximum Tank Pressure	350 bar	Weight	0.2 lb
Maximum Inlet Pressure Rating	5500 psi	Installation Torque	43-49 Nm
Maximum Operating Temperature	+121 °C	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-34 to +121 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Maximum Operating Pressure	380 bar	Flow Rate	1.9 L/min
Maximum Flow Rate	1.9 L/min	Maximum Pressure Setting	69 bar
Standard Setting Pressure	500 psi	Pressure Control Sensitivity	19.6 per turn bar
Pressure Control Range	100-1000 psi	Reseat Pressure	90% of pressure setting
Leak Rate	0.33 @ 75% Crack Pressure cm3/min	Seal Material	Nitrile
Adjustment Mechanism	Knob	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	100-1000 PSI, 6.9-69 BAR	Flow Rate	0.5 GAL/MIN, 1.9 L/MIN

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